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Cheap flights from Southampton to Bulgaria from £123

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SOF
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southampton to Bulgaria

Keep the following information in mind while searching for Southampton to Bulgaria flight deals. Data was last updated 12 September 2025.

Round-trip from

£252

One-way from

£123

Popular in

July

Cheapest in

November

Average price

£98
25/10-1/11
  • 25/10-1/11
  • 2 total stops
  • 41h 35m total
  • Southampton to Bulgaria
Search Deals
29/10
  • 29/10
  • 2 total stops
  • 19h 25m total
  • Southampton to Bulgaria
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Southampton to Bulgaria

Cheapest flights from Southampton to Bulgaria
Explore the most affordable flight options available from Southampton to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Sat 25/1016:25SOU - SOF
1 stop28h 35mMultiple Airlines
Sat 1/1121:45SOF - SOU
1 stop13h 00mMultiple Airlines
Deal found 10/9£252

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Bulgaria that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from Southampton to Bulgaria that are best for you.

Fly from

Southampton

Fly to

Bulgaria

Route

Depart

Return

Price

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Sat 25/10

16:25-23:00

1 stop28h 35m

Sofia

Sat 1/11

21:45-08:45

1 stop13h 00m

£252

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 5/2

17:30-14:05

1 stop18h 35m

Sofia

Tue 10/2

07:00-17:00

1 stop12h 00m

£334

SouthamptonSofia

SOU - SOF

SOUSOF

Southampton Eastleigh

Thu 5/2

20:30-20:50

2 stops22h 20m

Sofia

Tue 10/2

10:05-20:00

2 stops11h 55m

£388

SouthamptonVarna

SOU - VAR

SOUVAR

Southampton Eastleigh

Wed 29/10

20:10-17:35

2 stops19h 25m

£123

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Best time to book a flight from Southampton to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Bulgaria

What is the cheapest month to book a flight from Southampton to Bulgaria?

Currently, January is the cheapest month in which you can book a flight from Southampton to Bulgaria (average of £88). Flying from Southampton to Bulgaria in August is currently the most expensive (average of £310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SOU to BG?

Find hourly flight availability from Southampton to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Bulgaria as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Bulgaria?

    Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Bulgaria. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • How long is the flight from Southampton to Bulgaria?

    For as low as £334, KLM can have you in Bulgaria from Southampton in 18h 35m. The distance from Southampton to Bulgaria is about 1293 mi.

  • Can I find deals for flights from Southampton to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Southampton to Bulgaria flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Bulgaria.

  • Can I find deals for business class flights from Southampton to Bulgaria?

    Yes. Cheapflights offers flight deals from Southampton to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to Bulgaria?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Bulgaria (average of £88). Flying from Southampton to Bulgaria in August is currently the most expensive (average of £310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Bulgaria?

When you search for this flight from Southampton to Bulgaria, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Bulgaria?

Cheapflights simply makes it quick and affordable to book flights from Southampton to Bulgaria by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Southampton to Bulgaria with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Bulgaria flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Southampton to Bulgaria become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Bulgaria from Southampton today and book when prices fit your budget.

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